121015052 has 24 divisors (see below), whose sum is σ = 221676000. Its totient is φ = 57695616.

The previous prime is 121015051. The next prime is 121015087. The reversal of 121015052 is 250510121.

It is a self number, because there is not a number n which added to its sum of digits gives 121015052.

It is not an unprimeable number, because it can be changed into a prime (121015051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30224 + ... + 33992.

It is an arithmetic number, because the mean of its divisors is an integer number (9236500).

Almost surely, 2^121015052 is an apocalyptic number.

It is an amenable number.

121015052 is a deficient number, since it is larger than the sum of its proper divisors (100660948).

121015052 is a wasteful number, since it uses less digits than its factorization.

121015052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 121015052 is about 11000.6841605420. The cubic root of 121015052 is about 494.6292527054.

Adding to 121015052 its reverse (250510121), we get a palindrome (371525173).

The spelling of 121015052 in words is "one hundred twenty-one million, fifteen thousand, fifty-two".